Help me pleaseee (10 points )

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.